package com.briup.day04;

import java.util.Scanner;

public class Test_Switch {
    public static void main01(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入0-3中间的值");
        int mode = sc.nextInt();
        switch (mode) {
            case 0:
                System.out.println("默认模式开启");
                break;
            case 1:
                System.out.println("1模式开启");
                break;
            case 2:
                System.out.println("2模式开启");
                break;
            case 3:
                System.out.println("3模式开启");
                break;
            default:
                System.out.println("模式匹配不成功");

        }
    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入年份和月份");
        int year = sc.nextInt();
        int month = sc.nextInt();
        switch (month) {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                System.out.println("31天");
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                System.out.println("30天");
                break;
            case 2:
                if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
                    System.out.println("29天");
                } else {
                    System.out.println("28天");
                }
                break;


        }
    }
}
